Redo Aortic Valve Replacement through Right Anterior Mini-thoracotomy 15 Years after Aortic Valve Replacement via Partial Sternotomy : A Case Report

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  • 胸骨部分切開による MICS-AVR 15年後に右肋間小開胸 MICS-AVR を施行した1例

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Abstract

<p>A 65-year-old man with a history of severe aortic valve regurgitation had undergone aortic valve replacement (AVR) via partial upper hemisternotomy at the age of 50 years. At that time, bioprosthetic valve was implanted. Fifteen years after the valve implantation, he presented with palpitations and chest tightness. Examination revealed bioprosthetic valve failure with consequent severe aortic valve regurgitation. Redo AVR via right anterior mini-thoracotomy was decided as the treatment strategy, and the procedure was successfully completed without complications. The patient underwent extubation on the day of the operation. His postoperative course was unremarkable, and he was discharged 13 days postoperatively. In this case, the patient had previously undergone partial upper hemisternotomy (classified as a minimally invasive cardiac surgery [MICS]) and showed only few adhesions in the pericardium, suggesting that MICS could be beneficial in cases involving re-operation.</p>

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